Slide buckle



Jan. 17, 1933. J. H. DOMKEE 1,894,855

SLIDE BUCKLE Filed sept. 2s, 1931 Patented Jan. 17, 1933 UNITED STATESPATENT OFFICE TOI-IN H. DOMKEE, OF WEST HAVEN, CONNECTICUT, ASSIGNOR TOTHE WIRE NOVELTY MANUFACTURING COMPANY, 0F WEST HAVEN, CONNECTICUT, ACORPORATION 0F CONNECTICUT SLIDE BUCKLE Application filed September 2S,1931. Serial No. 565,321.

This invention relates to slide buckles used for adjusting the length oflooped straps, webbing and the like, Without penetrating the material,and, while the invention is adapted to any bent wire form of slidebuckle, it is especially adapted to that class of slide buckles made ofround wire bent to forni a pair of loops integrally connected at oneside and free at the opposite sides and having intermediatebar-structure portions integrally extending from the free sides of theloops to the connected side thereof.

The objects of the invention are to provide a reversible slide bucklehaving interfacing strap-gripping projections extending` along the planeof the buckle; to provide a slide buckle of the pair of loops type ofwhich the upper, lower and intermediate bar-structures are provided withinterfacing strap-gripping projections spaced one from the other andextending along the plane of the buckle; to provide means for securingtogether the free sides of such a pair of loops; and to provide meansfor securing the wire ends of the intermediate bar-structure portions tothe connected side of the loops. TWith these and other objects in Viewas may become apparent from the within disclosures, the inventionconsists not only of the particular form herein pointed out andillustrated in the drawing, but readily adinits of certaininodiiications within the scope of what hereinafter may be claimed.

`While the character of th-e invention is broad in its application tothe art, reference is here made to one illustrative device embodying theinvention and illustrated by the accompanying drawing in which theFigure 1 is an upright elevation of the device; the Figure 2 is across-section upon the line 2 2 of the previous ligure; the Figure 3 isa cross-section on the line 3 3 of the Figure l; and the Figure 4 is across-section on the line 4 4 of the Figure l; the Figure 5 being anupright elevation of a modiiied forni of device.

The device about to be described is an improvement upon the devicesdisclosed by the patents numbered 1,810,647 and 1,762,263 issued to yourpetitioner June 16, 1931, and

June 10, 1930, respectively, on slide buckles of which'the intermediatebar-structures are provided with angular formations projecting in planesperpendicular to, and out of, the plane of the buckle. Referring moreparticularly to said drawing, however, the projections as illustratedare formed, not by bending the wire but by pressing spaced portions ofthe wire to form nubs projecting there,- from. The device is preferablymade from a single piece of round Wire of which a middle portionprovides the integrally connecting side 1 of a pair of loops 2 and 3lying in a common plane and formed by bending bot-h wire end portions insubstantial parallel relation, one to the other, to provide the upperand lower horizontal bars 4 and 5, respectively, of the pair of loops 2and 3, both wire end portions again being bent, but inwardly toward oneanother, to provide the relatively aligned .and free sides 6 and 7 ofsaid loops 2 and 8, and both wire end portions again being bent inwardlyand substantially parallel with the upper and lower horizontal bars 4and 5 to leave the free sides 6 and 7 in substantially relativeengagement and to provide the intermediate bar-structure portions 8 and9 separating the pair of loops 2 and 3, the intermediate bar-structureportions 8 and 9 extending across the buckle and engaging theirextremities `10 and 11, respectively, within the plane of the loops,with the connecting bar 1. At some convenient step in the formationofthe buckle, as aforesaid, the

spaced nubs 12 are pressed out of the metal of the round wire bars 4 and5 so that the nubs 12 inwardly project therefrom along the plane of theloops 2 and 3,. and the spaced nubs 13 are pressed out of the metal ofthe round wire bar-'structure portion 8 so that the nubs 13 projecttherefrom out of the said plane, and the spaced nubs 14 are pressed outof the metal of the round wire bar-structure portion 9 so that the nubs14 vproject therefrom out of the said plane in a direction opposite tothat of the nubs 13. To prevent ac,- cidental or wanton separation ofthe relatively engaging free sides -6 and 7 of the loops 2 and 3, theengaging metal surfaces at the free sides 6 and '7 are united, at 15, inpermanent int-imate union, as by welding, brazing or soldering, so thatthe original character of said metal surfaces cannot be restored by anyforce effecting the mere separation of the loops 2 and 3 at that place,and the engaging metal surfaces of the extremities and 11 and theconnecting side bar 1 are likewise united in permanent intimate union.as at 16, within the buckle pla-ne, to provide a rigid structure of theaforesaid orm that is reversible in the sense that the elevation,opposite to that illustrated by the Figure 1, is substantially identicalto the elevation as thus illustrated. While the relatively engagingmetal surfaces of the loops 2 and 3 at their free sides 6 and 7 and theengaging metal surfaces of the extremities 10 and 11 of the intermediatebar-structure portions 8 and 9 and the connecting side bar 1, areillustrated and described as preferably being united in permanentintimate union, these engaging parts of the device may be relativelysecured, if desired, in any less permanent and intimate union. In use, astrap 17 may be threaded into the buckle, as illustrated by the Figure2, so that the spaced nubs 12, 13 and 14 extend in different directionsinto the path of the threaded strap 17 to grip the strap 17 fromdifferent angles to prevent the slide buckle sliding along a taut strapthus threaded into the buckle.

The modified form of the device, illustrated by the Figure 5, differsslightly in structure from the structure of the preferred form in thatthe nubs 13 and 14 of the intermediate bar-structure portions 8 and 9extend along the plane of the loops 2 and 3', but both modified andpreferred forms are similar, one to the other, in that they each providespaced nubs extending in different directions into the path of a strapthreaded into the buckle, the modified form having engaging metalsurfaces, as at and 16', united in permanent intimate union as in thepreferred form.

I claim A slide buckle comprising a piece of wire of uniform diameterthroughout its length and bent to form a pair of loops in a commonplane, the loops being integrally connected at one side and free, butengaging one with the other, at the opposite sides, intermediatebar-structure portions integrally extending from the free sides toengage their extremities with the connected side, spaced' nubs providedby the intermediate bar-structure portions. each nub being pressed outfrom said uniform diameter to extend beyond the bar-structure portion ofwhich a full diameter is maintained between, and at the rear of saidnubs, the nubs of one portion extending in an opposite direction tothose of the other portion and into the path of a strap threaded intothe slide buckle, means uniting in permanent intimate union the engagofthe loops.

JOHN H. DOMKEE.

